Table 1. Nurses responses to survey questions by current shift and median age.

	Night-shift				Day-shift
	≤36		>36		≤36		>36
	Mean	N	Mean	N	Mean	N	Mean	N
Min Out of Bed	13.9±1.0	118	12.1±1.1	81	11.9±1.1	63	10.8±1.4	71
Adaptation	6.1±0.2	121	6.2±0.3	85	7.7±0.2	68	7.2±0.3	83
Caffeine (Drinks/Day)	2.6±0.2	121	3.5±0.2	85	2.5±0.2	68	3.4±0.4	83
Alcohol (Drinks/Wk)	1.4±0.2	118	1.2±0.3	83	1.7±0.3	67	1.2±0.2	82
Chronotype (self-reported)	3.7±0.1	121	3.5±0.2	85	3.0±0.2	69	2.7±0.2	84